1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2014-2018 The Linux Foundation. All rights reserved. 4 * Copyright (C) 2013 Red Hat 5 * Author: Rob Clark <robdclark@gmail.com> 6 */ 7 8 #define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__ 9 10 #include <linux/debugfs.h> 11 #include <linux/dma-buf.h> 12 13 #include <drm/drm_atomic.h> 14 #include <drm/drm_atomic_uapi.h> 15 #include <drm/drm_blend.h> 16 #include <drm/drm_damage_helper.h> 17 #include <drm/drm_framebuffer.h> 18 #include <drm/drm_gem_atomic_helper.h> 19 20 #include <linux/soc/qcom/ubwc.h> 21 22 #include "msm_drv.h" 23 #include "dpu_kms.h" 24 #include "dpu_hw_sspp.h" 25 #include "dpu_hw_util.h" 26 #include "dpu_trace.h" 27 #include "dpu_crtc.h" 28 #include "dpu_vbif.h" 29 #include "dpu_plane.h" 30 31 #define DPU_DEBUG_PLANE(pl, fmt, ...) DRM_DEBUG_ATOMIC("plane%d " fmt,\ 32 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__) 33 34 #define DPU_ERROR_PLANE(pl, fmt, ...) DPU_ERROR("plane%d " fmt,\ 35 (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__) 36 37 #define DECIMATED_DIMENSION(dim, deci) (((dim) + ((1 << (deci)) - 1)) >> (deci)) 38 #define PHASE_STEP_SHIFT 21 39 #define PHASE_STEP_UNIT_SCALE ((int) (1 << PHASE_STEP_SHIFT)) 40 #define PHASE_RESIDUAL 15 41 42 #define SHARP_STRENGTH_DEFAULT 32 43 #define SHARP_EDGE_THR_DEFAULT 112 44 #define SHARP_SMOOTH_THR_DEFAULT 8 45 #define SHARP_NOISE_THR_DEFAULT 2 46 47 #define DPU_PLANE_COLOR_FILL_FLAG BIT(31) 48 #define DPU_ZPOS_MAX 255 49 50 /* 51 * Default Preload Values 52 */ 53 #define DPU_QSEED3_DEFAULT_PRELOAD_H 0x4 54 #define DPU_QSEED3_DEFAULT_PRELOAD_V 0x3 55 #define DPU_QSEED4_DEFAULT_PRELOAD_V 0x2 56 #define DPU_QSEED4_DEFAULT_PRELOAD_H 0x4 57 58 #define DEFAULT_REFRESH_RATE 60 59 60 static const uint32_t qcom_compressed_supported_formats[] = { 61 DRM_FORMAT_ABGR8888, 62 DRM_FORMAT_ARGB8888, 63 DRM_FORMAT_XBGR8888, 64 DRM_FORMAT_XRGB8888, 65 DRM_FORMAT_ARGB2101010, 66 DRM_FORMAT_XRGB2101010, 67 DRM_FORMAT_BGR565, 68 69 DRM_FORMAT_NV12, 70 DRM_FORMAT_P010, 71 }; 72 73 /* 74 * struct dpu_plane - local dpu plane structure 75 * @vm: address space pointer 76 * @csc_ptr: Points to dpu_csc_cfg structure to use for current 77 * @catalog: Points to dpu catalog structure 78 * @revalidate: force revalidation of all the plane properties 79 */ 80 struct dpu_plane { 81 struct drm_plane base; 82 83 enum dpu_sspp pipe; 84 85 uint32_t color_fill; 86 bool is_error; 87 bool is_rt_pipe; 88 const struct dpu_mdss_cfg *catalog; 89 }; 90 91 static const uint64_t supported_format_modifiers[] = { 92 DRM_FORMAT_MOD_QCOM_COMPRESSED, 93 DRM_FORMAT_MOD_LINEAR, 94 DRM_FORMAT_MOD_INVALID 95 }; 96 97 #define to_dpu_plane(x) container_of(x, struct dpu_plane, base) 98 99 static struct dpu_kms *_dpu_plane_get_kms(struct drm_plane *plane) 100 { 101 struct msm_drm_private *priv = plane->dev->dev_private; 102 103 return to_dpu_kms(priv->kms); 104 } 105 106 /** 107 * _dpu_plane_calc_bw - calculate bandwidth required for a plane 108 * @catalog: Points to dpu catalog structure 109 * @fmt: Pointer to source buffer format 110 * @mode: Pointer to drm display mode 111 * @pipe_cfg: Pointer to pipe configuration 112 * Result: Updates calculated bandwidth in the plane state. 113 * BW Equation: src_w * src_h * bpp * fps * (v_total / v_dest) 114 * Prefill BW Equation: line src bytes * line_time 115 */ 116 static u64 _dpu_plane_calc_bw(const struct dpu_mdss_cfg *catalog, 117 const struct msm_format *fmt, 118 const struct drm_display_mode *mode, 119 struct dpu_sw_pipe_cfg *pipe_cfg) 120 { 121 int src_width, src_height, dst_height, fps; 122 u64 plane_pixel_rate, plane_bit_rate; 123 u64 plane_prefill_bw; 124 u64 plane_bw; 125 u32 hw_latency_lines; 126 u64 scale_factor; 127 int vbp, vpw, vfp; 128 129 src_width = drm_rect_width(&pipe_cfg->src_rect); 130 src_height = drm_rect_height(&pipe_cfg->src_rect); 131 dst_height = drm_rect_height(&pipe_cfg->dst_rect); 132 fps = drm_mode_vrefresh(mode); 133 vbp = mode->vtotal - mode->vsync_end; 134 vpw = mode->vsync_end - mode->vsync_start; 135 vfp = mode->vsync_start - mode->vdisplay; 136 hw_latency_lines = catalog->perf->min_prefill_lines; 137 scale_factor = src_height > dst_height ? 138 mult_frac(src_height, 1, dst_height) : 1; 139 140 plane_pixel_rate = src_width * mode->vtotal * fps; 141 plane_bit_rate = plane_pixel_rate * fmt->bpp; 142 143 plane_bw = plane_bit_rate * scale_factor; 144 145 plane_prefill_bw = plane_bw * hw_latency_lines; 146 147 if ((vbp+vpw) > hw_latency_lines) 148 do_div(plane_prefill_bw, (vbp+vpw)); 149 else if ((vbp+vpw+vfp) < hw_latency_lines) 150 do_div(plane_prefill_bw, (vbp+vpw+vfp)); 151 else 152 do_div(plane_prefill_bw, hw_latency_lines); 153 154 155 return max(plane_bw, plane_prefill_bw); 156 } 157 158 /** 159 * _dpu_plane_calc_clk - calculate clock required for a plane 160 * @mode: Pointer to drm display mode 161 * @pipe_cfg: Pointer to pipe configuration 162 * Result: Updates calculated clock in the plane state. 163 * Clock equation: dst_w * v_total * fps * (src_h / dst_h) 164 */ 165 static u64 _dpu_plane_calc_clk(const struct drm_display_mode *mode, 166 struct dpu_sw_pipe_cfg *pipe_cfg) 167 { 168 int dst_width, src_height, dst_height, fps; 169 u64 plane_clk; 170 171 src_height = drm_rect_height(&pipe_cfg->src_rect); 172 dst_width = drm_rect_width(&pipe_cfg->dst_rect); 173 dst_height = drm_rect_height(&pipe_cfg->dst_rect); 174 fps = drm_mode_vrefresh(mode); 175 176 plane_clk = 177 dst_width * mode->vtotal * fps; 178 179 if (src_height > dst_height) { 180 plane_clk *= src_height; 181 do_div(plane_clk, dst_height); 182 } 183 184 return plane_clk; 185 } 186 187 /** 188 * _dpu_plane_calc_fill_level - calculate fill level of the given source format 189 * @plane: Pointer to drm plane 190 * @pipe: Pointer to software pipe 191 * @lut_usage: LUT usecase 192 * @fmt: Pointer to source buffer format 193 * @src_width: width of source buffer 194 * Return: fill level corresponding to the source buffer/format or 0 if error 195 */ 196 static int _dpu_plane_calc_fill_level(struct drm_plane *plane, 197 struct dpu_sw_pipe *pipe, 198 enum dpu_qos_lut_usage lut_usage, 199 const struct msm_format *fmt, u32 src_width) 200 { 201 struct dpu_plane *pdpu; 202 u32 fixed_buff_size; 203 u32 total_fl; 204 205 if (!fmt || !pipe || !src_width || !fmt->bpp) { 206 DPU_ERROR("invalid arguments\n"); 207 return 0; 208 } 209 210 if (lut_usage == DPU_QOS_LUT_USAGE_NRT) 211 return 0; 212 213 pdpu = to_dpu_plane(plane); 214 fixed_buff_size = pdpu->catalog->caps->pixel_ram_size; 215 216 /* FIXME: in multirect case account for the src_width of all the planes */ 217 218 if (fmt->fetch_type == MDP_PLANE_PSEUDO_PLANAR) { 219 if (fmt->chroma_sample == CHROMA_420) { 220 /* NV12 */ 221 total_fl = (fixed_buff_size / 2) / 222 ((src_width + 32) * fmt->bpp); 223 } else { 224 /* non NV12 */ 225 total_fl = (fixed_buff_size / 2) * 2 / 226 ((src_width + 32) * fmt->bpp); 227 } 228 } else { 229 if (pipe->multirect_mode == DPU_SSPP_MULTIRECT_PARALLEL) { 230 total_fl = (fixed_buff_size / 2) * 2 / 231 ((src_width + 32) * fmt->bpp); 232 } else { 233 total_fl = (fixed_buff_size) * 2 / 234 ((src_width + 32) * fmt->bpp); 235 } 236 } 237 238 DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %p4cc w:%u fl:%u\n", 239 pipe->sspp->idx - SSPP_VIG0, 240 &fmt->pixel_format, 241 src_width, total_fl); 242 243 return total_fl; 244 } 245 246 /** 247 * _dpu_plane_set_qos_lut - set QoS LUT of the given plane 248 * @plane: Pointer to drm plane 249 * @pipe: Pointer to software pipe 250 * @fmt: Pointer to source buffer format 251 * @pipe_cfg: Pointer to pipe configuration 252 */ 253 static void _dpu_plane_set_qos_lut(struct drm_plane *plane, 254 struct dpu_sw_pipe *pipe, 255 const struct msm_format *fmt, struct dpu_sw_pipe_cfg *pipe_cfg) 256 { 257 struct dpu_plane *pdpu = to_dpu_plane(plane); 258 struct dpu_hw_qos_cfg cfg; 259 u32 total_fl, lut_usage; 260 261 if (!pdpu->is_rt_pipe) { 262 lut_usage = DPU_QOS_LUT_USAGE_NRT; 263 } else { 264 if (fmt && MSM_FORMAT_IS_LINEAR(fmt)) 265 lut_usage = DPU_QOS_LUT_USAGE_LINEAR; 266 else 267 lut_usage = DPU_QOS_LUT_USAGE_MACROTILE; 268 } 269 270 total_fl = _dpu_plane_calc_fill_level(plane, pipe, lut_usage, fmt, 271 drm_rect_width(&pipe_cfg->src_rect)); 272 273 cfg.creq_lut = _dpu_hw_get_qos_lut(&pdpu->catalog->perf->qos_lut_tbl[lut_usage], total_fl); 274 cfg.danger_lut = pdpu->catalog->perf->danger_lut_tbl[lut_usage]; 275 cfg.safe_lut = pdpu->catalog->perf->safe_lut_tbl[lut_usage]; 276 277 if (pipe->sspp->idx != SSPP_CURSOR0 && 278 pipe->sspp->idx != SSPP_CURSOR1 && 279 pdpu->is_rt_pipe) 280 cfg.danger_safe_en = true; 281 282 DPU_DEBUG_PLANE(pdpu, "pnum:%d ds:%d is_rt:%d\n", 283 pdpu->pipe - SSPP_VIG0, 284 cfg.danger_safe_en, 285 pdpu->is_rt_pipe); 286 287 trace_dpu_perf_set_qos_luts(pipe->sspp->idx - SSPP_VIG0, 288 (fmt) ? fmt->pixel_format : 0, 289 pdpu->is_rt_pipe, total_fl, cfg.creq_lut, lut_usage); 290 291 DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %p4cc rt:%d fl:%u lut:0x%llx\n", 292 pdpu->pipe - SSPP_VIG0, 293 fmt ? &fmt->pixel_format : NULL, 294 pdpu->is_rt_pipe, total_fl, cfg.creq_lut); 295 296 trace_dpu_perf_set_danger_luts(pdpu->pipe - SSPP_VIG0, 297 (fmt) ? fmt->pixel_format : 0, 298 (fmt) ? fmt->fetch_mode : 0, 299 cfg.danger_lut, 300 cfg.safe_lut); 301 302 DPU_DEBUG_PLANE(pdpu, "pnum:%d fmt: %p4cc mode:%d luts[0x%x, 0x%x]\n", 303 pdpu->pipe - SSPP_VIG0, 304 fmt ? &fmt->pixel_format : NULL, 305 fmt ? fmt->fetch_mode : -1, 306 cfg.danger_lut, 307 cfg.safe_lut); 308 309 pipe->sspp->ops.setup_qos_lut(pipe->sspp, &cfg); 310 } 311 312 /** 313 * _dpu_plane_set_qos_ctrl - set QoS control of the given plane 314 * @plane: Pointer to drm plane 315 * @pipe: Pointer to software pipe 316 * @enable: true to enable QoS control 317 */ 318 static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane, 319 struct dpu_sw_pipe *pipe, 320 bool enable) 321 { 322 struct dpu_plane *pdpu = to_dpu_plane(plane); 323 324 if (!pdpu->is_rt_pipe) 325 enable = false; 326 327 DPU_DEBUG_PLANE(pdpu, "pnum:%d ds:%d is_rt:%d\n", 328 pdpu->pipe - SSPP_VIG0, 329 enable, 330 pdpu->is_rt_pipe); 331 332 pipe->sspp->ops.setup_qos_ctrl(pipe->sspp, 333 enable); 334 } 335 336 static bool _dpu_plane_sspp_clk_force_ctrl(struct dpu_hw_sspp *sspp, 337 struct dpu_hw_mdp *mdp, 338 bool enable, bool *forced_on) 339 { 340 if (sspp->ops.setup_clk_force_ctrl) { 341 *forced_on = sspp->ops.setup_clk_force_ctrl(sspp, enable); 342 return true; 343 } 344 345 if (mdp->ops.setup_clk_force_ctrl) { 346 *forced_on = mdp->ops.setup_clk_force_ctrl(mdp, sspp->cap->clk_ctrl, enable); 347 return true; 348 } 349 350 return false; 351 } 352 353 /** 354 * _dpu_plane_set_ot_limit - set OT limit for the given plane 355 * @plane: Pointer to drm plane 356 * @pipe: Pointer to software pipe 357 * @pipe_cfg: Pointer to pipe configuration 358 * @frame_rate: CRTC's frame rate 359 */ 360 static void _dpu_plane_set_ot_limit(struct drm_plane *plane, 361 struct dpu_sw_pipe *pipe, 362 struct dpu_sw_pipe_cfg *pipe_cfg, 363 int frame_rate) 364 { 365 struct dpu_plane *pdpu = to_dpu_plane(plane); 366 struct dpu_vbif_set_ot_params ot_params; 367 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); 368 bool forced_on = false; 369 370 memset(&ot_params, 0, sizeof(ot_params)); 371 ot_params.xin_id = pipe->sspp->cap->xin_id; 372 ot_params.num = pipe->sspp->idx - SSPP_NONE; 373 ot_params.width = drm_rect_width(&pipe_cfg->src_rect); 374 ot_params.height = drm_rect_height(&pipe_cfg->src_rect); 375 ot_params.is_wfd = !pdpu->is_rt_pipe; 376 ot_params.frame_rate = frame_rate; 377 ot_params.rd = true; 378 379 if (!_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp, 380 true, &forced_on)) 381 return; 382 383 dpu_vbif_set_ot_limit(dpu_kms, &ot_params); 384 385 if (forced_on) 386 _dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp, 387 false, &forced_on); 388 } 389 390 /** 391 * _dpu_plane_set_qos_remap - set vbif QoS for the given plane 392 * @plane: Pointer to drm plane 393 * @pipe: Pointer to software pipe 394 */ 395 static void _dpu_plane_set_qos_remap(struct drm_plane *plane, 396 struct dpu_sw_pipe *pipe) 397 { 398 struct dpu_plane *pdpu = to_dpu_plane(plane); 399 struct dpu_vbif_set_qos_params qos_params; 400 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); 401 bool forced_on = false; 402 403 memset(&qos_params, 0, sizeof(qos_params)); 404 qos_params.xin_id = pipe->sspp->cap->xin_id; 405 qos_params.num = pipe->sspp->idx - SSPP_VIG0; 406 qos_params.is_rt = pdpu->is_rt_pipe; 407 408 DPU_DEBUG_PLANE(pdpu, "pipe:%d xin:%d rt:%d\n", 409 qos_params.num, 410 qos_params.xin_id, qos_params.is_rt); 411 412 if (!_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp, 413 true, &forced_on)) 414 return; 415 416 dpu_vbif_set_qos_remap(dpu_kms, &qos_params); 417 418 if (forced_on) 419 _dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp, 420 false, &forced_on); 421 } 422 423 static void _dpu_plane_setup_scaler3(struct dpu_hw_sspp *pipe_hw, 424 uint32_t src_w, uint32_t src_h, uint32_t dst_w, uint32_t dst_h, 425 struct dpu_hw_scaler3_cfg *scale_cfg, 426 const struct msm_format *fmt, 427 uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v, 428 unsigned int rotation) 429 { 430 uint32_t i; 431 bool inline_rotation = rotation & DRM_MODE_ROTATE_90; 432 433 /* 434 * For inline rotation cases, scaler config is post-rotation, 435 * so swap the dimensions here. However, pixel extension will 436 * need pre-rotation settings. 437 */ 438 if (inline_rotation) 439 swap(src_w, src_h); 440 441 scale_cfg->phase_step_x[DPU_SSPP_COMP_0] = 442 mult_frac((1 << PHASE_STEP_SHIFT), src_w, dst_w); 443 scale_cfg->phase_step_y[DPU_SSPP_COMP_0] = 444 mult_frac((1 << PHASE_STEP_SHIFT), src_h, dst_h); 445 446 447 scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2] = 448 scale_cfg->phase_step_y[DPU_SSPP_COMP_0] / chroma_subsmpl_v; 449 scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2] = 450 scale_cfg->phase_step_x[DPU_SSPP_COMP_0] / chroma_subsmpl_h; 451 452 scale_cfg->phase_step_x[DPU_SSPP_COMP_2] = 453 scale_cfg->phase_step_x[DPU_SSPP_COMP_1_2]; 454 scale_cfg->phase_step_y[DPU_SSPP_COMP_2] = 455 scale_cfg->phase_step_y[DPU_SSPP_COMP_1_2]; 456 457 scale_cfg->phase_step_x[DPU_SSPP_COMP_3] = 458 scale_cfg->phase_step_x[DPU_SSPP_COMP_0]; 459 scale_cfg->phase_step_y[DPU_SSPP_COMP_3] = 460 scale_cfg->phase_step_y[DPU_SSPP_COMP_0]; 461 462 for (i = 0; i < DPU_MAX_PLANES; i++) { 463 scale_cfg->src_width[i] = src_w; 464 scale_cfg->src_height[i] = src_h; 465 if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) { 466 scale_cfg->src_width[i] /= chroma_subsmpl_h; 467 scale_cfg->src_height[i] /= chroma_subsmpl_v; 468 } 469 470 if (pipe_hw->cap->sblk->scaler_blk.version >= 0x3000) { 471 scale_cfg->preload_x[i] = DPU_QSEED4_DEFAULT_PRELOAD_H; 472 scale_cfg->preload_y[i] = DPU_QSEED4_DEFAULT_PRELOAD_V; 473 } else { 474 scale_cfg->preload_x[i] = DPU_QSEED3_DEFAULT_PRELOAD_H; 475 scale_cfg->preload_y[i] = DPU_QSEED3_DEFAULT_PRELOAD_V; 476 } 477 } 478 if (!(MSM_FORMAT_IS_YUV(fmt)) && (src_h == dst_h) 479 && (src_w == dst_w)) 480 return; 481 482 scale_cfg->dst_width = dst_w; 483 scale_cfg->dst_height = dst_h; 484 scale_cfg->y_rgb_filter_cfg = DPU_SCALE_BIL; 485 scale_cfg->uv_filter_cfg = DPU_SCALE_BIL; 486 scale_cfg->alpha_filter_cfg = DPU_SCALE_ALPHA_BIL; 487 scale_cfg->lut_flag = 0; 488 scale_cfg->blend_cfg = 1; 489 scale_cfg->enable = 1; 490 } 491 492 static void _dpu_plane_setup_pixel_ext(struct dpu_hw_scaler3_cfg *scale_cfg, 493 struct dpu_hw_pixel_ext *pixel_ext, 494 uint32_t src_w, uint32_t src_h, 495 uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v) 496 { 497 int i; 498 499 for (i = 0; i < DPU_MAX_PLANES; i++) { 500 uint32_t w = src_w, h = src_h; 501 502 if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) { 503 w /= chroma_subsmpl_h; 504 h /= chroma_subsmpl_v; 505 } 506 507 pixel_ext->num_ext_pxls_top[i] = h; 508 pixel_ext->num_ext_pxls_left[i] = w; 509 } 510 } 511 512 static const struct dpu_csc_cfg *_dpu_plane_get_csc(struct dpu_sw_pipe *pipe, 513 const struct msm_format *fmt) 514 { 515 const struct dpu_csc_cfg *csc_ptr; 516 517 if (!MSM_FORMAT_IS_YUV(fmt)) 518 return NULL; 519 520 if (BIT(DPU_SSPP_CSC_10BIT) & pipe->sspp->cap->features) 521 csc_ptr = &dpu_csc10_YUV2RGB_601L; 522 else 523 csc_ptr = &dpu_csc_YUV2RGB_601L; 524 525 return csc_ptr; 526 } 527 528 static void _dpu_plane_setup_scaler(struct dpu_sw_pipe *pipe, 529 const struct msm_format *fmt, bool color_fill, 530 struct dpu_sw_pipe_cfg *pipe_cfg) 531 { 532 struct dpu_hw_sspp *pipe_hw = pipe->sspp; 533 const struct drm_format_info *info = drm_format_info(fmt->pixel_format); 534 struct dpu_hw_scaler3_cfg scaler3_cfg; 535 struct dpu_hw_pixel_ext pixel_ext; 536 u32 src_width = drm_rect_width(&pipe_cfg->src_rect); 537 u32 src_height = drm_rect_height(&pipe_cfg->src_rect); 538 u32 dst_width = drm_rect_width(&pipe_cfg->dst_rect); 539 u32 dst_height = drm_rect_height(&pipe_cfg->dst_rect); 540 541 memset(&scaler3_cfg, 0, sizeof(scaler3_cfg)); 542 memset(&pixel_ext, 0, sizeof(pixel_ext)); 543 544 /* don't chroma subsample if decimating */ 545 /* update scaler. calculate default config for QSEED3 */ 546 _dpu_plane_setup_scaler3(pipe_hw, 547 src_width, 548 src_height, 549 dst_width, 550 dst_height, 551 &scaler3_cfg, fmt, 552 info->hsub, info->vsub, 553 pipe_cfg->rotation); 554 555 /* configure pixel extension based on scalar config */ 556 _dpu_plane_setup_pixel_ext(&scaler3_cfg, &pixel_ext, 557 src_width, src_height, info->hsub, info->vsub); 558 559 if (pipe_hw->ops.setup_pe) 560 pipe_hw->ops.setup_pe(pipe_hw, 561 &pixel_ext); 562 563 /** 564 * when programmed in multirect mode, scalar block will be 565 * bypassed. Still we need to update alpha and bitwidth 566 * ONLY for RECT0 567 */ 568 if (pipe_hw->ops.setup_scaler && 569 pipe->multirect_index != DPU_SSPP_RECT_1) 570 pipe_hw->ops.setup_scaler(pipe_hw, 571 &scaler3_cfg, 572 fmt); 573 } 574 575 static void _dpu_plane_color_fill_pipe(struct dpu_plane_state *pstate, 576 struct dpu_sw_pipe *pipe, 577 struct drm_rect *dst_rect, 578 u32 fill_color, 579 const struct msm_format *fmt) 580 { 581 struct dpu_sw_pipe_cfg pipe_cfg; 582 583 /* update sspp */ 584 if (!pipe->sspp->ops.setup_solidfill) 585 return; 586 587 pipe->sspp->ops.setup_solidfill(pipe, fill_color); 588 589 /* override scaler/decimation if solid fill */ 590 pipe_cfg.dst_rect = *dst_rect; 591 592 pipe_cfg.src_rect.x1 = 0; 593 pipe_cfg.src_rect.y1 = 0; 594 pipe_cfg.src_rect.x2 = 595 drm_rect_width(&pipe_cfg.dst_rect); 596 pipe_cfg.src_rect.y2 = 597 drm_rect_height(&pipe_cfg.dst_rect); 598 599 if (pipe->sspp->ops.setup_format) 600 pipe->sspp->ops.setup_format(pipe, fmt, DPU_SSPP_SOLID_FILL); 601 602 if (pipe->sspp->ops.setup_rects) 603 pipe->sspp->ops.setup_rects(pipe, &pipe_cfg); 604 605 _dpu_plane_setup_scaler(pipe, fmt, true, &pipe_cfg); 606 } 607 608 /** 609 * _dpu_plane_color_fill - enables color fill on plane 610 * @pdpu: Pointer to DPU plane object 611 * @color: RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red 612 * @alpha: 8-bit fill alpha value, 255 selects 100% alpha 613 */ 614 static void _dpu_plane_color_fill(struct dpu_plane *pdpu, 615 uint32_t color, uint32_t alpha) 616 { 617 const struct msm_format *fmt; 618 const struct drm_plane *plane = &pdpu->base; 619 struct msm_drm_private *priv = plane->dev->dev_private; 620 struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state); 621 u32 fill_color = (color & 0xFFFFFF) | ((alpha & 0xFF) << 24); 622 int i; 623 624 DPU_DEBUG_PLANE(pdpu, "\n"); 625 626 /* 627 * select fill format to match user property expectation, 628 * h/w only supports RGB variants 629 */ 630 fmt = mdp_get_format(priv->kms, DRM_FORMAT_ABGR8888, 0); 631 /* should not happen ever */ 632 if (!fmt) 633 return; 634 635 /* update sspp */ 636 for (i = 0; i < PIPES_PER_PLANE; i++) { 637 if (!pstate->pipe[i].sspp) 638 continue; 639 _dpu_plane_color_fill_pipe(pstate, &pstate->pipe[i], 640 &pstate->pipe_cfg[i].dst_rect, 641 fill_color, fmt); 642 } 643 } 644 645 static int dpu_plane_prepare_fb(struct drm_plane *plane, 646 struct drm_plane_state *new_state) 647 { 648 struct drm_framebuffer *fb = new_state->fb; 649 struct dpu_plane *pdpu = to_dpu_plane(plane); 650 struct dpu_plane_state *pstate = to_dpu_plane_state(new_state); 651 int ret; 652 653 if (!new_state->fb) 654 return 0; 655 656 DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", fb->base.id); 657 658 /* 659 * TODO: Need to sort out the msm_framebuffer_prepare() call below so 660 * we can use msm_atomic_prepare_fb() instead of doing the 661 * implicit fence and fb prepare by hand here. 662 */ 663 drm_gem_plane_helper_prepare_fb(plane, new_state); 664 665 ret = msm_framebuffer_prepare(new_state->fb, pstate->needs_dirtyfb); 666 if (ret) { 667 DPU_ERROR("failed to prepare framebuffer\n"); 668 return ret; 669 } 670 671 return 0; 672 } 673 674 static void dpu_plane_cleanup_fb(struct drm_plane *plane, 675 struct drm_plane_state *old_state) 676 { 677 struct dpu_plane *pdpu = to_dpu_plane(plane); 678 struct dpu_plane_state *old_pstate; 679 680 if (!old_state || !old_state->fb) 681 return; 682 683 old_pstate = to_dpu_plane_state(old_state); 684 685 DPU_DEBUG_PLANE(pdpu, "FB[%u]\n", old_state->fb->base.id); 686 687 msm_framebuffer_cleanup(old_state->fb, old_pstate->needs_dirtyfb); 688 } 689 690 static int dpu_plane_check_inline_rotation(struct dpu_plane *pdpu, 691 struct dpu_sw_pipe *pipe, 692 struct drm_rect src, 693 const struct msm_format *fmt) 694 { 695 const struct dpu_sspp_sub_blks *sblk = pipe->sspp->cap->sblk; 696 size_t num_formats; 697 const u32 *supported_formats; 698 699 if (!test_bit(DPU_SSPP_INLINE_ROTATION, &pipe->sspp->cap->features)) 700 return -EINVAL; 701 702 if (!sblk->rotation_cfg) { 703 DPU_ERROR("invalid rotation cfg\n"); 704 return -EINVAL; 705 } 706 707 if (drm_rect_width(&src) > sblk->rotation_cfg->rot_maxheight) { 708 DPU_DEBUG_PLANE(pdpu, "invalid height for inline rot:%d max:%d\n", 709 src.y2, sblk->rotation_cfg->rot_maxheight); 710 return -EINVAL; 711 } 712 713 supported_formats = sblk->rotation_cfg->rot_format_list; 714 num_formats = sblk->rotation_cfg->rot_num_formats; 715 716 if (!MSM_FORMAT_IS_UBWC(fmt) || 717 !dpu_find_format(fmt->pixel_format, supported_formats, num_formats)) 718 return -EINVAL; 719 720 return 0; 721 } 722 723 static int dpu_plane_atomic_check_pipe(struct dpu_plane *pdpu, 724 struct dpu_sw_pipe *pipe, 725 struct dpu_sw_pipe_cfg *pipe_cfg, 726 const struct drm_display_mode *mode, 727 struct drm_plane_state *new_plane_state) 728 { 729 uint32_t min_src_size; 730 struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base); 731 int ret; 732 const struct msm_format *fmt; 733 uint32_t supported_rotations; 734 const struct dpu_sspp_cfg *pipe_hw_caps; 735 const struct dpu_sspp_sub_blks *sblk; 736 737 pipe_hw_caps = pipe->sspp->cap; 738 sblk = pipe->sspp->cap->sblk; 739 740 /* 741 * We already have verified scaling against platform limitations. 742 * Now check if the SSPP supports scaling at all. 743 */ 744 if (!(sblk->scaler_blk.len && pipe->sspp->ops.setup_scaler) && 745 ((drm_rect_width(&new_plane_state->src) >> 16 != 746 drm_rect_width(&new_plane_state->dst)) || 747 (drm_rect_height(&new_plane_state->src) >> 16 != 748 drm_rect_height(&new_plane_state->dst)))) 749 return -ERANGE; 750 751 fmt = msm_framebuffer_format(new_plane_state->fb); 752 753 supported_rotations = DRM_MODE_REFLECT_MASK | DRM_MODE_ROTATE_0; 754 755 if (pipe_hw_caps->features & BIT(DPU_SSPP_INLINE_ROTATION)) 756 supported_rotations |= DRM_MODE_ROTATE_90; 757 758 pipe_cfg->rotation = drm_rotation_simplify(new_plane_state->rotation, 759 supported_rotations); 760 761 min_src_size = MSM_FORMAT_IS_YUV(fmt) ? 2 : 1; 762 763 if (MSM_FORMAT_IS_YUV(fmt) && 764 !pipe->sspp->cap->sblk->csc_blk.len) { 765 DPU_DEBUG_PLANE(pdpu, 766 "plane doesn't have csc for yuv\n"); 767 return -EINVAL; 768 } 769 770 /* check src bounds */ 771 if (drm_rect_width(&pipe_cfg->src_rect) < min_src_size || 772 drm_rect_height(&pipe_cfg->src_rect) < min_src_size) { 773 DPU_DEBUG_PLANE(pdpu, "invalid source " DRM_RECT_FMT "\n", 774 DRM_RECT_ARG(&pipe_cfg->src_rect)); 775 return -E2BIG; 776 } 777 778 /* valid yuv image */ 779 if (MSM_FORMAT_IS_YUV(fmt) && 780 (pipe_cfg->src_rect.x1 & 0x1 || 781 pipe_cfg->src_rect.y1 & 0x1 || 782 drm_rect_width(&pipe_cfg->src_rect) & 0x1 || 783 drm_rect_height(&pipe_cfg->src_rect) & 0x1)) { 784 DPU_DEBUG_PLANE(pdpu, "invalid yuv source " DRM_RECT_FMT "\n", 785 DRM_RECT_ARG(&pipe_cfg->src_rect)); 786 return -EINVAL; 787 } 788 789 /* min dst support */ 790 if (drm_rect_width(&pipe_cfg->dst_rect) < 0x1 || 791 drm_rect_height(&pipe_cfg->dst_rect) < 0x1) { 792 DPU_DEBUG_PLANE(pdpu, "invalid dest rect " DRM_RECT_FMT "\n", 793 DRM_RECT_ARG(&pipe_cfg->dst_rect)); 794 return -EINVAL; 795 } 796 797 if (pipe_cfg->rotation & DRM_MODE_ROTATE_90) { 798 ret = dpu_plane_check_inline_rotation(pdpu, pipe, pipe_cfg->src_rect, fmt); 799 if (ret) 800 return ret; 801 } 802 803 /* max clk check */ 804 if (_dpu_plane_calc_clk(mode, pipe_cfg) > kms->perf.max_core_clk_rate) { 805 DPU_DEBUG_PLANE(pdpu, "plane exceeds max mdp core clk limits\n"); 806 return -E2BIG; 807 } 808 809 return 0; 810 } 811 812 #define MAX_UPSCALE_RATIO 20 813 #define MAX_DOWNSCALE_RATIO 4 814 815 static int dpu_plane_atomic_check_nosspp(struct drm_plane *plane, 816 struct drm_plane_state *new_plane_state, 817 const struct drm_crtc_state *crtc_state) 818 { 819 int i, ret = 0, min_scale, max_scale; 820 struct dpu_plane *pdpu = to_dpu_plane(plane); 821 struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state); 822 struct drm_rect fb_rect = { 0 }; 823 824 min_scale = FRAC_16_16(1, MAX_UPSCALE_RATIO); 825 max_scale = MAX_DOWNSCALE_RATIO << 16; 826 827 ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state, 828 min_scale, 829 max_scale, 830 true, true); 831 if (ret) { 832 DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret); 833 return ret; 834 } 835 if (!new_plane_state->visible) 836 return 0; 837 838 pstate->stage = DPU_STAGE_0 + pstate->base.normalized_zpos; 839 if (pstate->stage >= pdpu->catalog->caps->max_mixer_blendstages) { 840 DPU_ERROR("> %d plane stages assigned\n", 841 pdpu->catalog->caps->max_mixer_blendstages - DPU_STAGE_0); 842 return -EINVAL; 843 } 844 845 fb_rect.x2 = new_plane_state->fb->width; 846 fb_rect.y2 = new_plane_state->fb->height; 847 848 /* Ensure fb size is supported */ 849 if (drm_rect_width(&fb_rect) > DPU_MAX_IMG_WIDTH || 850 drm_rect_height(&fb_rect) > DPU_MAX_IMG_HEIGHT) { 851 DPU_DEBUG_PLANE(pdpu, "invalid framebuffer " DRM_RECT_FMT "\n", 852 DRM_RECT_ARG(&fb_rect)); 853 return -E2BIG; 854 } 855 856 ret = dpu_format_populate_plane_sizes(new_plane_state->fb, &pstate->layout); 857 if (ret) { 858 DPU_ERROR_PLANE(pdpu, "failed to get format plane sizes, %d\n", ret); 859 return ret; 860 } 861 862 for (i = 0; i < pstate->layout.num_planes; i++) 863 if (pstate->layout.plane_pitch[i] > DPU_SSPP_MAX_PITCH_SIZE) 864 return -E2BIG; 865 866 pstate->needs_qos_remap = drm_atomic_crtc_needs_modeset(crtc_state); 867 868 return 0; 869 } 870 871 static int dpu_plane_split(struct drm_plane *plane, 872 struct drm_plane_state *new_plane_state, 873 const struct drm_crtc_state *crtc_state) 874 { 875 struct dpu_plane *pdpu = to_dpu_plane(plane); 876 struct dpu_kms *kms = _dpu_plane_get_kms(&pdpu->base); 877 u64 max_mdp_clk_rate = kms->perf.max_core_clk_rate; 878 struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state); 879 struct dpu_sw_pipe_cfg *pipe_cfg; 880 struct dpu_sw_pipe_cfg *r_pipe_cfg; 881 const struct drm_display_mode *mode = &crtc_state->adjusted_mode; 882 uint32_t max_linewidth; 883 u32 num_lm; 884 int stage_id, num_stages; 885 886 max_linewidth = pdpu->catalog->caps->max_linewidth; 887 888 /* In non-virtual plane case, one mixer pair is always needed. */ 889 num_lm = dpu_crtc_get_num_lm(crtc_state); 890 if (dpu_use_virtual_planes) 891 num_stages = (num_lm + 1) / 2; 892 else 893 num_stages = 1; 894 895 /* 896 * For wide plane that exceeds SSPP rectangle constrain, it needed to 897 * be split and mapped to 2 rectangles with 1 config for 2:2:1. 898 * For 2 interfaces cases, such as dual DSI, 2:2:2 topology is needed. 899 * If the width or clock exceeds hardware limitation in every half of 900 * screen, 4:4:2 topology is needed and virtual plane feature should 901 * be enabled to map plane to more than 1 SSPP. 2 stage configs are 902 * needed to serve 2 mixer pairs in this 4:4:2 case. So both left/right 903 * half of plane splitting, and splitting within the half of screen is 904 * needed in quad-pipe case. Check dest rectangle left/right clipping 905 * and iterate mixer configs for this plane first, then check wide 906 * rectangle splitting in every half next. 907 */ 908 for (stage_id = 0; stage_id < num_stages; stage_id++) { 909 struct drm_rect mixer_rect = { 910 .x1 = stage_id * mode->hdisplay / num_stages, 911 .y1 = 0, 912 .x2 = (stage_id + 1) * mode->hdisplay / num_stages, 913 .y2 = mode->vdisplay 914 }; 915 int cfg_idx = stage_id * PIPES_PER_STAGE; 916 917 pipe_cfg = &pstate->pipe_cfg[cfg_idx]; 918 r_pipe_cfg = &pstate->pipe_cfg[cfg_idx + 1]; 919 920 drm_rect_fp_to_int(&pipe_cfg->src_rect, &new_plane_state->src); 921 922 drm_rect_rotate(&pipe_cfg->src_rect, 923 new_plane_state->fb->width, new_plane_state->fb->height, 924 new_plane_state->rotation); 925 926 pipe_cfg->dst_rect = new_plane_state->dst; 927 928 DPU_DEBUG_PLANE(pdpu, "checking src " DRM_RECT_FMT 929 " vs clip window " DRM_RECT_FMT "\n", 930 DRM_RECT_ARG(&pipe_cfg->src_rect), 931 DRM_RECT_ARG(&mixer_rect)); 932 933 /* 934 * If this plane does not fall into mixer rect, check next 935 * mixer rect. 936 */ 937 if (!drm_rect_clip_scaled(&pipe_cfg->src_rect, 938 &pipe_cfg->dst_rect, 939 &mixer_rect)) { 940 memset(pipe_cfg, 0, 2 * sizeof(struct dpu_sw_pipe_cfg)); 941 942 continue; 943 } 944 945 pipe_cfg->dst_rect.x1 -= mixer_rect.x1; 946 pipe_cfg->dst_rect.x2 -= mixer_rect.x1; 947 948 DPU_DEBUG_PLANE(pdpu, "Got clip src:" DRM_RECT_FMT " dst: " DRM_RECT_FMT "\n", 949 DRM_RECT_ARG(&pipe_cfg->src_rect), DRM_RECT_ARG(&pipe_cfg->dst_rect)); 950 951 /* Split wide rect into 2 rect */ 952 if ((drm_rect_width(&pipe_cfg->src_rect) > max_linewidth) || 953 _dpu_plane_calc_clk(mode, pipe_cfg) > max_mdp_clk_rate) { 954 955 if (drm_rect_width(&pipe_cfg->src_rect) > 2 * max_linewidth) { 956 DPU_DEBUG_PLANE(pdpu, "invalid src " DRM_RECT_FMT " line:%u\n", 957 DRM_RECT_ARG(&pipe_cfg->src_rect), max_linewidth); 958 return -E2BIG; 959 } 960 961 memcpy(r_pipe_cfg, pipe_cfg, sizeof(struct dpu_sw_pipe_cfg)); 962 pipe_cfg->src_rect.x2 = (pipe_cfg->src_rect.x1 + pipe_cfg->src_rect.x2) >> 1; 963 pipe_cfg->dst_rect.x2 = (pipe_cfg->dst_rect.x1 + pipe_cfg->dst_rect.x2) >> 1; 964 r_pipe_cfg->src_rect.x1 = pipe_cfg->src_rect.x2; 965 r_pipe_cfg->dst_rect.x1 = pipe_cfg->dst_rect.x2; 966 DPU_DEBUG_PLANE(pdpu, "Split wide plane into:" 967 DRM_RECT_FMT " and " DRM_RECT_FMT "\n", 968 DRM_RECT_ARG(&pipe_cfg->src_rect), 969 DRM_RECT_ARG(&r_pipe_cfg->src_rect)); 970 } else { 971 memset(r_pipe_cfg, 0, sizeof(struct dpu_sw_pipe_cfg)); 972 } 973 974 drm_rect_rotate_inv(&pipe_cfg->src_rect, 975 new_plane_state->fb->width, 976 new_plane_state->fb->height, 977 new_plane_state->rotation); 978 979 if (drm_rect_width(&r_pipe_cfg->src_rect) != 0) 980 drm_rect_rotate_inv(&r_pipe_cfg->src_rect, 981 new_plane_state->fb->width, 982 new_plane_state->fb->height, 983 new_plane_state->rotation); 984 } 985 986 return 0; 987 } 988 989 static int dpu_plane_is_multirect_capable(struct dpu_hw_sspp *sspp, 990 struct dpu_sw_pipe_cfg *pipe_cfg, 991 const struct msm_format *fmt) 992 { 993 if (drm_rect_width(&pipe_cfg->src_rect) != drm_rect_width(&pipe_cfg->dst_rect) || 994 drm_rect_height(&pipe_cfg->src_rect) != drm_rect_height(&pipe_cfg->dst_rect)) 995 return false; 996 997 if (pipe_cfg->rotation & DRM_MODE_ROTATE_90) 998 return false; 999 1000 if (MSM_FORMAT_IS_YUV(fmt)) 1001 return false; 1002 1003 if (!sspp) 1004 return true; 1005 1006 if (!test_bit(DPU_SSPP_SMART_DMA_V1, &sspp->cap->features) && 1007 !test_bit(DPU_SSPP_SMART_DMA_V2, &sspp->cap->features)) 1008 return false; 1009 1010 return true; 1011 } 1012 1013 static int dpu_plane_is_parallel_capable(struct dpu_sw_pipe_cfg *pipe_cfg, 1014 const struct msm_format *fmt, 1015 uint32_t max_linewidth) 1016 { 1017 if (MSM_FORMAT_IS_UBWC(fmt) && 1018 drm_rect_width(&pipe_cfg->src_rect) > max_linewidth / 2) 1019 return false; 1020 1021 return true; 1022 } 1023 1024 static int dpu_plane_is_multirect_parallel_capable(struct dpu_hw_sspp *sspp, 1025 struct dpu_sw_pipe_cfg *pipe_cfg, 1026 const struct msm_format *fmt, 1027 uint32_t max_linewidth) 1028 { 1029 return dpu_plane_is_multirect_capable(sspp, pipe_cfg, fmt) && 1030 dpu_plane_is_parallel_capable(pipe_cfg, fmt, max_linewidth); 1031 } 1032 1033 static bool dpu_plane_get_single_pipe_in_stage(struct dpu_plane_state *pstate, 1034 struct dpu_sw_pipe **single_pipe, 1035 struct dpu_sw_pipe_cfg **single_pipe_cfg, 1036 int stage_index) 1037 { 1038 int pipe_idx; 1039 1040 pipe_idx = stage_index * PIPES_PER_STAGE; 1041 if (drm_rect_width(&pstate->pipe_cfg[pipe_idx].src_rect) != 0 && 1042 drm_rect_width(&pstate->pipe_cfg[pipe_idx + 1].src_rect) == 0) { 1043 *single_pipe = &pstate->pipe[pipe_idx]; 1044 *single_pipe_cfg = &pstate->pipe_cfg[pipe_idx]; 1045 return true; 1046 } 1047 1048 return false; 1049 } 1050 1051 static int dpu_plane_atomic_check_sspp(struct drm_plane *plane, 1052 struct drm_atomic_state *state, 1053 const struct drm_crtc_state *crtc_state) 1054 { 1055 struct drm_plane_state *new_plane_state = 1056 drm_atomic_get_new_plane_state(state, plane); 1057 struct dpu_plane *pdpu = to_dpu_plane(plane); 1058 struct dpu_plane_state *pstate = to_dpu_plane_state(new_plane_state); 1059 1060 struct dpu_sw_pipe *pipe; 1061 struct dpu_sw_pipe_cfg *pipe_cfg; 1062 int ret = 0, i; 1063 1064 for (i = 0; i < PIPES_PER_PLANE; i++) { 1065 pipe = &pstate->pipe[i]; 1066 pipe_cfg = &pstate->pipe_cfg[i]; 1067 if (!drm_rect_width(&pipe_cfg->src_rect)) 1068 continue; 1069 DPU_DEBUG_PLANE(pdpu, "pipe %d is in use, validate it\n", i); 1070 ret = dpu_plane_atomic_check_pipe(pdpu, pipe, pipe_cfg, 1071 &crtc_state->adjusted_mode, 1072 new_plane_state); 1073 if (ret) 1074 return ret; 1075 } 1076 1077 return 0; 1078 } 1079 1080 static bool dpu_plane_try_multirect_parallel(struct dpu_sw_pipe *pipe, struct dpu_sw_pipe_cfg *pipe_cfg, 1081 struct dpu_sw_pipe *r_pipe, struct dpu_sw_pipe_cfg *r_pipe_cfg, 1082 struct dpu_hw_sspp *sspp, const struct msm_format *fmt, 1083 uint32_t max_linewidth) 1084 { 1085 r_pipe->sspp = NULL; 1086 1087 pipe->multirect_index = DPU_SSPP_RECT_SOLO; 1088 pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE; 1089 1090 r_pipe->multirect_index = DPU_SSPP_RECT_SOLO; 1091 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE; 1092 1093 if (drm_rect_width(&r_pipe_cfg->src_rect) != 0) { 1094 if (!dpu_plane_is_multirect_parallel_capable(pipe->sspp, pipe_cfg, fmt, max_linewidth) || 1095 !dpu_plane_is_multirect_parallel_capable(pipe->sspp, r_pipe_cfg, fmt, max_linewidth)) 1096 return false; 1097 1098 r_pipe->sspp = pipe->sspp; 1099 1100 pipe->multirect_index = DPU_SSPP_RECT_0; 1101 pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL; 1102 1103 r_pipe->multirect_index = DPU_SSPP_RECT_1; 1104 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL; 1105 } 1106 1107 return true; 1108 } 1109 1110 static int dpu_plane_try_multirect_shared(struct dpu_plane_state *pstate, 1111 struct dpu_plane_state *prev_adjacent_pstate, 1112 const struct msm_format *fmt, 1113 uint32_t max_linewidth, int stage_index) 1114 { 1115 struct dpu_sw_pipe *pipe, *prev_pipe; 1116 struct dpu_sw_pipe_cfg *pipe_cfg, *prev_pipe_cfg; 1117 const struct msm_format *prev_fmt = msm_framebuffer_format(prev_adjacent_pstate->base.fb); 1118 u16 max_tile_height = 1; 1119 1120 if (!dpu_plane_get_single_pipe_in_stage(pstate, &pipe, 1121 &pipe_cfg, stage_index)) 1122 return false; 1123 1124 if (!dpu_plane_get_single_pipe_in_stage(prev_adjacent_pstate, 1125 &prev_pipe, &prev_pipe_cfg, 1126 stage_index) || 1127 prev_pipe->multirect_mode != DPU_SSPP_MULTIRECT_NONE) 1128 return false; 1129 1130 /* Do not validate SSPP of current plane when it is not ready */ 1131 if (!dpu_plane_is_multirect_capable(pipe->sspp, pipe_cfg, fmt) || 1132 !dpu_plane_is_multirect_capable(prev_pipe->sspp, prev_pipe_cfg, prev_fmt)) 1133 return false; 1134 1135 if (MSM_FORMAT_IS_UBWC(fmt)) 1136 max_tile_height = max(max_tile_height, fmt->tile_height); 1137 1138 if (MSM_FORMAT_IS_UBWC(prev_fmt)) 1139 max_tile_height = max(max_tile_height, prev_fmt->tile_height); 1140 1141 if (dpu_plane_is_parallel_capable(pipe_cfg, fmt, max_linewidth) && 1142 dpu_plane_is_parallel_capable(prev_pipe_cfg, prev_fmt, max_linewidth) && 1143 (pipe_cfg->dst_rect.x1 >= prev_pipe_cfg->dst_rect.x2 || 1144 prev_pipe_cfg->dst_rect.x1 >= pipe_cfg->dst_rect.x2)) { 1145 pipe->sspp = prev_pipe->sspp; 1146 1147 pipe->multirect_index = DPU_SSPP_RECT_1; 1148 pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL; 1149 1150 prev_pipe->multirect_index = DPU_SSPP_RECT_0; 1151 prev_pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL; 1152 1153 return true; 1154 } 1155 1156 if (pipe_cfg->dst_rect.y1 >= prev_pipe_cfg->dst_rect.y2 + 2 * max_tile_height || 1157 prev_pipe_cfg->dst_rect.y1 >= pipe_cfg->dst_rect.y2 + 2 * max_tile_height) { 1158 pipe->sspp = prev_pipe->sspp; 1159 1160 pipe->multirect_index = DPU_SSPP_RECT_1; 1161 pipe->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX; 1162 1163 prev_pipe->multirect_index = DPU_SSPP_RECT_0; 1164 prev_pipe->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX; 1165 1166 return true; 1167 } 1168 1169 return false; 1170 } 1171 1172 static int dpu_plane_atomic_check(struct drm_plane *plane, 1173 struct drm_atomic_state *state) 1174 { 1175 struct drm_plane_state *plane_state = 1176 drm_atomic_get_plane_state(state, plane); 1177 struct drm_plane_state *old_plane_state = 1178 drm_atomic_get_old_plane_state(state, plane); 1179 int ret = 0; 1180 struct drm_crtc_state *crtc_state = NULL; 1181 1182 if (IS_ERR(plane_state)) 1183 return PTR_ERR(plane_state); 1184 1185 if (plane_state->crtc) 1186 crtc_state = drm_atomic_get_new_crtc_state(state, 1187 plane_state->crtc); 1188 1189 ret = dpu_plane_atomic_check_nosspp(plane, plane_state, crtc_state); 1190 if (ret) 1191 return ret; 1192 1193 if (!plane_state->visible) 1194 return 0; 1195 1196 /* 1197 * Force resource reallocation if the format of FB or src/dst have 1198 * changed. We might need to allocate different SSPP or SSPPs for this 1199 * plane than the one used previously. 1200 */ 1201 if (!old_plane_state || !old_plane_state->fb || 1202 old_plane_state->src_w != plane_state->src_w || 1203 old_plane_state->src_h != plane_state->src_h || 1204 old_plane_state->crtc_w != plane_state->crtc_w || 1205 old_plane_state->crtc_h != plane_state->crtc_h || 1206 msm_framebuffer_format(old_plane_state->fb) != 1207 msm_framebuffer_format(plane_state->fb)) 1208 crtc_state->planes_changed = true; 1209 return 0; 1210 } 1211 1212 static int dpu_plane_assign_resource_in_stage(struct dpu_sw_pipe *pipe, 1213 struct dpu_sw_pipe_cfg *pipe_cfg, 1214 struct drm_plane_state *plane_state, 1215 struct dpu_global_state *global_state, 1216 struct drm_crtc *crtc, 1217 struct dpu_rm_sspp_requirements *reqs) 1218 { 1219 struct drm_plane *plane = plane_state->plane; 1220 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); 1221 struct dpu_sw_pipe *r_pipe = pipe + 1; 1222 struct dpu_sw_pipe_cfg *r_pipe_cfg = pipe_cfg + 1; 1223 1224 if (drm_rect_width(&pipe_cfg->src_rect) == 0) 1225 return 0; 1226 1227 pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state, crtc, reqs); 1228 if (!pipe->sspp) 1229 return -ENODEV; 1230 pipe->multirect_index = DPU_SSPP_RECT_SOLO; 1231 pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE; 1232 1233 if (drm_rect_width(&r_pipe_cfg->src_rect) == 0) 1234 return 0; 1235 1236 if (dpu_plane_try_multirect_parallel(pipe, pipe_cfg, r_pipe, r_pipe_cfg, 1237 pipe->sspp, 1238 msm_framebuffer_format(plane_state->fb), 1239 dpu_kms->catalog->caps->max_linewidth)) 1240 return 0; 1241 1242 r_pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state, crtc, reqs); 1243 if (!r_pipe->sspp) 1244 return -ENODEV; 1245 r_pipe->multirect_index = DPU_SSPP_RECT_SOLO; 1246 r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE; 1247 1248 return 0; 1249 } 1250 1251 static int dpu_plane_virtual_assign_resources(struct drm_crtc *crtc, 1252 struct dpu_global_state *global_state, 1253 struct drm_atomic_state *state, 1254 struct drm_plane_state *plane_state, 1255 const struct drm_crtc_state *crtc_state, 1256 struct drm_plane_state **prev_adjacent_plane_state) 1257 { 1258 struct drm_plane *plane = plane_state->plane; 1259 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); 1260 struct dpu_rm_sspp_requirements reqs; 1261 struct dpu_plane_state *pstate, *prev_adjacent_pstate[STAGES_PER_PLANE]; 1262 struct dpu_sw_pipe *pipe; 1263 struct dpu_sw_pipe_cfg *pipe_cfg; 1264 const struct msm_format *fmt; 1265 int i, ret; 1266 1267 pstate = to_dpu_plane_state(plane_state); 1268 for (i = 0; i < STAGES_PER_PLANE; i++) 1269 prev_adjacent_pstate[i] = prev_adjacent_plane_state[i] ? 1270 to_dpu_plane_state(prev_adjacent_plane_state[i]) : NULL; 1271 1272 for (i = 0; i < PIPES_PER_PLANE; i++) 1273 pstate->pipe[i].sspp = NULL; 1274 1275 if (!plane_state->fb) 1276 return -EINVAL; 1277 1278 ret = dpu_plane_split(plane, plane_state, crtc_state); 1279 if (ret) 1280 return ret; 1281 1282 fmt = msm_framebuffer_format(plane_state->fb); 1283 reqs.yuv = MSM_FORMAT_IS_YUV(fmt); 1284 reqs.scale = (plane_state->src_w >> 16 != plane_state->crtc_w) || 1285 (plane_state->src_h >> 16 != plane_state->crtc_h); 1286 1287 reqs.rot90 = drm_rotation_90_or_270(plane_state->rotation); 1288 1289 for (i = 0; i < STAGES_PER_PLANE; i++) { 1290 if (prev_adjacent_pstate[i] && 1291 dpu_plane_try_multirect_shared(pstate, prev_adjacent_pstate[i], fmt, 1292 dpu_kms->catalog->caps->max_linewidth, 1293 i)) 1294 continue; 1295 1296 if (dpu_plane_get_single_pipe_in_stage(pstate, &pipe, &pipe_cfg, i)) 1297 prev_adjacent_plane_state[i] = plane_state; 1298 1299 pipe = &pstate->pipe[i * PIPES_PER_STAGE]; 1300 pipe_cfg = &pstate->pipe_cfg[i * PIPES_PER_STAGE]; 1301 ret = dpu_plane_assign_resource_in_stage(pipe, pipe_cfg, 1302 plane_state, 1303 global_state, 1304 crtc, &reqs); 1305 if (ret) 1306 return ret; 1307 } 1308 1309 return dpu_plane_atomic_check_sspp(plane, state, crtc_state); 1310 } 1311 1312 static int dpu_plane_assign_resources(struct drm_crtc *crtc, 1313 struct dpu_global_state *global_state, 1314 struct drm_atomic_state *state, 1315 struct drm_plane_state *plane_state, 1316 const struct drm_crtc_state *crtc_state) 1317 { 1318 struct drm_plane *plane = plane_state->plane; 1319 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); 1320 struct dpu_plane_state *pstate = to_dpu_plane_state(plane_state); 1321 struct dpu_sw_pipe *pipe = &pstate->pipe[0]; 1322 struct dpu_sw_pipe *r_pipe = &pstate->pipe[1]; 1323 struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg[0]; 1324 struct dpu_sw_pipe_cfg *r_pipe_cfg = &pstate->pipe_cfg[1]; 1325 struct dpu_plane *pdpu = to_dpu_plane(plane); 1326 int ret; 1327 1328 pipe->sspp = dpu_rm_get_sspp(&dpu_kms->rm, pdpu->pipe); 1329 if (!pipe->sspp) 1330 return -EINVAL; 1331 1332 ret = dpu_plane_split(plane, plane_state, crtc_state); 1333 if (ret) 1334 return ret; 1335 1336 if (!dpu_plane_try_multirect_parallel(pipe, pipe_cfg, r_pipe, r_pipe_cfg, 1337 pipe->sspp, 1338 msm_framebuffer_format(plane_state->fb), 1339 dpu_kms->catalog->caps->max_linewidth)) { 1340 DPU_DEBUG_PLANE(pdpu, "invalid " DRM_RECT_FMT " /" DRM_RECT_FMT 1341 " max_line:%u, can't use split source\n", 1342 DRM_RECT_ARG(&pipe_cfg->src_rect), 1343 DRM_RECT_ARG(&r_pipe_cfg->src_rect), 1344 dpu_kms->catalog->caps->max_linewidth); 1345 return -E2BIG; 1346 } 1347 1348 return dpu_plane_atomic_check_sspp(plane, state, crtc_state); 1349 } 1350 1351 int dpu_assign_plane_resources(struct dpu_global_state *global_state, 1352 struct drm_atomic_state *state, 1353 struct drm_crtc *crtc, 1354 struct drm_plane_state **states, 1355 unsigned int num_planes) 1356 { 1357 struct drm_plane_state *prev_adjacent_plane_state[STAGES_PER_PLANE] = { NULL }; 1358 const struct drm_crtc_state *crtc_state = NULL; 1359 unsigned int i; 1360 int ret; 1361 1362 for (i = 0; i < num_planes; i++) { 1363 struct drm_plane_state *plane_state = states[i]; 1364 1365 if (!plane_state || 1366 !plane_state->visible) 1367 continue; 1368 1369 if (plane_state->crtc) 1370 crtc_state = drm_atomic_get_new_crtc_state(state, 1371 plane_state->crtc); 1372 1373 if (!dpu_use_virtual_planes) 1374 ret = dpu_plane_assign_resources(crtc, global_state, 1375 state, plane_state, 1376 crtc_state); 1377 else 1378 ret = dpu_plane_virtual_assign_resources(crtc, global_state, 1379 state, plane_state, 1380 crtc_state, 1381 prev_adjacent_plane_state); 1382 if (ret) 1383 return ret; 1384 } 1385 1386 return 0; 1387 } 1388 1389 static void dpu_plane_flush_csc(struct dpu_plane *pdpu, struct dpu_sw_pipe *pipe) 1390 { 1391 const struct msm_format *format = 1392 msm_framebuffer_format(pdpu->base.state->fb); 1393 const struct dpu_csc_cfg *csc_ptr; 1394 1395 if (!pipe->sspp || !pipe->sspp->ops.setup_csc) 1396 return; 1397 1398 csc_ptr = _dpu_plane_get_csc(pipe, format); 1399 if (!csc_ptr) 1400 return; 1401 1402 DPU_DEBUG_PLANE(pdpu, "using 0x%X 0x%X 0x%X...\n", 1403 csc_ptr->csc_mv[0], 1404 csc_ptr->csc_mv[1], 1405 csc_ptr->csc_mv[2]); 1406 1407 pipe->sspp->ops.setup_csc(pipe->sspp, csc_ptr); 1408 1409 } 1410 1411 /** 1412 * dpu_plane_flush - final plane operations before commit flush 1413 * @plane: Pointer to drm plane structure 1414 */ 1415 void dpu_plane_flush(struct drm_plane *plane) 1416 { 1417 struct dpu_plane *pdpu; 1418 struct dpu_plane_state *pstate; 1419 int i; 1420 1421 if (!plane || !plane->state) { 1422 DPU_ERROR("invalid plane\n"); 1423 return; 1424 } 1425 1426 pdpu = to_dpu_plane(plane); 1427 pstate = to_dpu_plane_state(plane->state); 1428 1429 /* 1430 * These updates have to be done immediately before the plane flush 1431 * timing, and may not be moved to the atomic_update/mode_set functions. 1432 */ 1433 if (pdpu->is_error) 1434 /* force white frame with 100% alpha pipe output on error */ 1435 _dpu_plane_color_fill(pdpu, 0xFFFFFF, 0xFF); 1436 else if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) 1437 /* force 100% alpha */ 1438 _dpu_plane_color_fill(pdpu, pdpu->color_fill, 0xFF); 1439 else { 1440 for (i = 0; i < PIPES_PER_PLANE; i++) 1441 dpu_plane_flush_csc(pdpu, &pstate->pipe[i]); 1442 } 1443 1444 /* flag h/w flush complete */ 1445 if (plane->state) 1446 pstate->pending = false; 1447 } 1448 1449 /** 1450 * dpu_plane_set_error: enable/disable error condition 1451 * @plane: pointer to drm_plane structure 1452 * @error: error value to set 1453 */ 1454 void dpu_plane_set_error(struct drm_plane *plane, bool error) 1455 { 1456 struct dpu_plane *pdpu; 1457 1458 if (!plane) 1459 return; 1460 1461 pdpu = to_dpu_plane(plane); 1462 pdpu->is_error = error; 1463 } 1464 1465 static void dpu_plane_sspp_update_pipe(struct drm_plane *plane, 1466 struct dpu_sw_pipe *pipe, 1467 struct dpu_sw_pipe_cfg *pipe_cfg, 1468 const struct msm_format *fmt, 1469 int frame_rate, 1470 struct dpu_hw_fmt_layout *layout) 1471 { 1472 uint32_t src_flags; 1473 struct dpu_plane *pdpu = to_dpu_plane(plane); 1474 struct drm_plane_state *state = plane->state; 1475 struct dpu_plane_state *pstate = to_dpu_plane_state(state); 1476 1477 if (layout && pipe->sspp->ops.setup_sourceaddress) { 1478 trace_dpu_plane_set_scanout(pipe, layout); 1479 pipe->sspp->ops.setup_sourceaddress(pipe, layout); 1480 } 1481 1482 /* override for color fill */ 1483 if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) { 1484 _dpu_plane_set_qos_ctrl(plane, pipe, false); 1485 1486 /* skip remaining processing on color fill */ 1487 return; 1488 } 1489 1490 if (pipe->sspp->ops.setup_rects) { 1491 pipe->sspp->ops.setup_rects(pipe, 1492 pipe_cfg); 1493 } 1494 1495 _dpu_plane_setup_scaler(pipe, fmt, false, pipe_cfg); 1496 1497 if (pipe->sspp->ops.setup_multirect) 1498 pipe->sspp->ops.setup_multirect( 1499 pipe); 1500 1501 if (pipe->sspp->ops.setup_format) { 1502 unsigned int rotation = pipe_cfg->rotation; 1503 1504 src_flags = 0x0; 1505 1506 if (rotation & DRM_MODE_REFLECT_X) 1507 src_flags |= DPU_SSPP_FLIP_LR; 1508 1509 if (rotation & DRM_MODE_REFLECT_Y) 1510 src_flags |= DPU_SSPP_FLIP_UD; 1511 1512 if (rotation & DRM_MODE_ROTATE_90) 1513 src_flags |= DPU_SSPP_ROT_90; 1514 1515 /* update format */ 1516 pipe->sspp->ops.setup_format(pipe, fmt, src_flags); 1517 1518 if (pipe->sspp->ops.setup_cdp) { 1519 const struct dpu_perf_cfg *perf = pdpu->catalog->perf; 1520 1521 pipe->sspp->ops.setup_cdp(pipe, fmt, 1522 perf->cdp_cfg[DPU_PERF_CDP_USAGE_RT].rd_enable); 1523 } 1524 } 1525 1526 _dpu_plane_set_qos_lut(plane, pipe, fmt, pipe_cfg); 1527 1528 if (pipe->sspp->idx != SSPP_CURSOR0 && 1529 pipe->sspp->idx != SSPP_CURSOR1) 1530 _dpu_plane_set_ot_limit(plane, pipe, pipe_cfg, frame_rate); 1531 1532 if (pstate->needs_qos_remap) 1533 _dpu_plane_set_qos_remap(plane, pipe); 1534 } 1535 1536 static void dpu_plane_sspp_atomic_update(struct drm_plane *plane, 1537 struct drm_plane_state *new_state) 1538 { 1539 struct dpu_plane *pdpu = to_dpu_plane(plane); 1540 struct drm_plane_state *state = plane->state; 1541 struct dpu_plane_state *pstate = to_dpu_plane_state(state); 1542 struct drm_crtc *crtc = state->crtc; 1543 struct drm_framebuffer *fb = state->fb; 1544 bool is_rt_pipe; 1545 const struct msm_format *fmt = 1546 msm_framebuffer_format(fb); 1547 int i; 1548 1549 pstate->pending = true; 1550 1551 is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT); 1552 pstate->needs_qos_remap |= (is_rt_pipe != pdpu->is_rt_pipe); 1553 pdpu->is_rt_pipe = is_rt_pipe; 1554 1555 dpu_format_populate_addrs(new_state->fb, &pstate->layout); 1556 1557 DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT 1558 ", %p4cc ubwc %d\n", fb->base.id, DRM_RECT_FP_ARG(&state->src), 1559 crtc->base.id, DRM_RECT_ARG(&state->dst), 1560 &fmt->pixel_format, MSM_FORMAT_IS_UBWC(fmt)); 1561 1562 for (i = 0; i < PIPES_PER_PLANE; i++) { 1563 if (!drm_rect_width(&pstate->pipe_cfg[i].src_rect)) 1564 continue; 1565 dpu_plane_sspp_update_pipe(plane, &pstate->pipe[i], 1566 &pstate->pipe_cfg[i], fmt, 1567 drm_mode_vrefresh(&crtc->mode), 1568 &pstate->layout); 1569 } 1570 1571 if (pstate->needs_qos_remap) 1572 pstate->needs_qos_remap = false; 1573 1574 pstate->plane_fetch_bw = 0; 1575 pstate->plane_clk = 0; 1576 for (i = 0; i < PIPES_PER_PLANE; i++) { 1577 if (!drm_rect_width(&pstate->pipe_cfg[i].src_rect)) 1578 continue; 1579 pstate->plane_fetch_bw += _dpu_plane_calc_bw(pdpu->catalog, fmt, 1580 &crtc->mode, &pstate->pipe_cfg[i]); 1581 1582 pstate->plane_clk = max(pstate->plane_clk, 1583 _dpu_plane_calc_clk(&crtc->mode, 1584 &pstate->pipe_cfg[i])); 1585 } 1586 } 1587 1588 static void _dpu_plane_atomic_disable(struct drm_plane *plane) 1589 { 1590 struct drm_plane_state *state = plane->state; 1591 struct dpu_plane_state *pstate = to_dpu_plane_state(state); 1592 struct dpu_sw_pipe *pipe; 1593 int i; 1594 1595 for (i = 0; i < PIPES_PER_PLANE; i += 1) { 1596 pipe = &pstate->pipe[i]; 1597 if (!pipe->sspp) 1598 continue; 1599 1600 trace_dpu_plane_disable(DRMID(plane), false, 1601 pstate->pipe[i].multirect_mode); 1602 1603 if (i % PIPES_PER_STAGE == 0) 1604 continue; 1605 1606 /* 1607 * clear multirect for the right pipe so that the SSPP 1608 * can be further reused in the solo mode 1609 */ 1610 pipe->multirect_index = DPU_SSPP_RECT_SOLO; 1611 pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE; 1612 if (pipe->sspp->ops.setup_multirect) 1613 pipe->sspp->ops.setup_multirect(pipe); 1614 } 1615 1616 pstate->pending = true; 1617 } 1618 1619 static void dpu_plane_atomic_update(struct drm_plane *plane, 1620 struct drm_atomic_state *state) 1621 { 1622 struct dpu_plane *pdpu = to_dpu_plane(plane); 1623 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, 1624 plane); 1625 1626 pdpu->is_error = false; 1627 1628 DPU_DEBUG_PLANE(pdpu, "\n"); 1629 1630 if (!new_state->visible) { 1631 _dpu_plane_atomic_disable(plane); 1632 } else { 1633 dpu_plane_sspp_atomic_update(plane, new_state); 1634 } 1635 } 1636 1637 static void dpu_plane_destroy_state(struct drm_plane *plane, 1638 struct drm_plane_state *state) 1639 { 1640 __drm_atomic_helper_plane_destroy_state(state); 1641 kfree(to_dpu_plane_state(state)); 1642 } 1643 1644 static struct drm_plane_state * 1645 dpu_plane_duplicate_state(struct drm_plane *plane) 1646 { 1647 struct dpu_plane *pdpu; 1648 struct dpu_plane_state *pstate; 1649 struct dpu_plane_state *old_state; 1650 1651 if (!plane) { 1652 DPU_ERROR("invalid plane\n"); 1653 return NULL; 1654 } else if (!plane->state) { 1655 DPU_ERROR("invalid plane state\n"); 1656 return NULL; 1657 } 1658 1659 old_state = to_dpu_plane_state(plane->state); 1660 pdpu = to_dpu_plane(plane); 1661 pstate = kmemdup(old_state, sizeof(*old_state), GFP_KERNEL); 1662 if (!pstate) { 1663 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n"); 1664 return NULL; 1665 } 1666 1667 DPU_DEBUG_PLANE(pdpu, "\n"); 1668 1669 pstate->pending = false; 1670 1671 __drm_atomic_helper_plane_duplicate_state(plane, &pstate->base); 1672 1673 return &pstate->base; 1674 } 1675 1676 static const char * const multirect_mode_name[] = { 1677 [DPU_SSPP_MULTIRECT_NONE] = "none", 1678 [DPU_SSPP_MULTIRECT_PARALLEL] = "parallel", 1679 [DPU_SSPP_MULTIRECT_TIME_MX] = "time_mx", 1680 }; 1681 1682 static const char * const multirect_index_name[] = { 1683 [DPU_SSPP_RECT_SOLO] = "solo", 1684 [DPU_SSPP_RECT_0] = "rect_0", 1685 [DPU_SSPP_RECT_1] = "rect_1", 1686 }; 1687 1688 static const char *dpu_get_multirect_mode(enum dpu_sspp_multirect_mode mode) 1689 { 1690 if (WARN_ON(mode >= ARRAY_SIZE(multirect_mode_name))) 1691 return "unknown"; 1692 1693 return multirect_mode_name[mode]; 1694 } 1695 1696 static const char *dpu_get_multirect_index(enum dpu_sspp_multirect_index index) 1697 { 1698 if (WARN_ON(index >= ARRAY_SIZE(multirect_index_name))) 1699 return "unknown"; 1700 1701 return multirect_index_name[index]; 1702 } 1703 1704 static void dpu_plane_atomic_print_state(struct drm_printer *p, 1705 const struct drm_plane_state *state) 1706 { 1707 const struct dpu_plane_state *pstate = to_dpu_plane_state(state); 1708 const struct dpu_sw_pipe *pipe; 1709 const struct dpu_sw_pipe_cfg *pipe_cfg; 1710 int i; 1711 1712 drm_printf(p, "\tstage=%d\n", pstate->stage); 1713 1714 for (i = 0; i < PIPES_PER_PLANE; i++) { 1715 pipe = &pstate->pipe[i]; 1716 if (!pipe->sspp) 1717 continue; 1718 pipe_cfg = &pstate->pipe_cfg[i]; 1719 drm_printf(p, "\tsspp[%d]=%s\n", i, pipe->sspp->cap->name); 1720 drm_printf(p, "\tmultirect_mode[%d]=%s\n", i, 1721 dpu_get_multirect_mode(pipe->multirect_mode)); 1722 drm_printf(p, "\tmultirect_index[%d]=%s\n", i, 1723 dpu_get_multirect_index(pipe->multirect_index)); 1724 drm_printf(p, "\tsrc[%d]=" DRM_RECT_FMT "\n", i, 1725 DRM_RECT_ARG(&pipe_cfg->src_rect)); 1726 drm_printf(p, "\tdst[%d]=" DRM_RECT_FMT "\n", i, 1727 DRM_RECT_ARG(&pipe_cfg->dst_rect)); 1728 } 1729 } 1730 1731 static void dpu_plane_reset(struct drm_plane *plane) 1732 { 1733 struct dpu_plane *pdpu; 1734 struct dpu_plane_state *pstate; 1735 1736 if (!plane) { 1737 DPU_ERROR("invalid plane\n"); 1738 return; 1739 } 1740 1741 pdpu = to_dpu_plane(plane); 1742 DPU_DEBUG_PLANE(pdpu, "\n"); 1743 1744 /* remove previous state, if present */ 1745 if (plane->state) { 1746 dpu_plane_destroy_state(plane, plane->state); 1747 plane->state = NULL; 1748 } 1749 1750 pstate = kzalloc_obj(*pstate); 1751 if (!pstate) { 1752 DPU_ERROR_PLANE(pdpu, "failed to allocate state\n"); 1753 return; 1754 } 1755 1756 __drm_atomic_helper_plane_reset(plane, &pstate->base); 1757 } 1758 1759 #ifdef CONFIG_DEBUG_FS 1760 void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable) 1761 { 1762 struct dpu_plane *pdpu = to_dpu_plane(plane); 1763 struct dpu_plane_state *pstate = to_dpu_plane_state(plane->state); 1764 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); 1765 int i; 1766 1767 if (!pdpu->is_rt_pipe) 1768 return; 1769 1770 pm_runtime_get_sync(&dpu_kms->pdev->dev); 1771 for (i = 0; i < PIPES_PER_PLANE; i++) { 1772 if (!pstate->pipe[i].sspp) 1773 continue; 1774 _dpu_plane_set_qos_ctrl(plane, &pstate->pipe[i], enable); 1775 } 1776 pm_runtime_put_sync(&dpu_kms->pdev->dev); 1777 } 1778 #endif 1779 1780 static bool dpu_plane_format_mod_supported(struct drm_plane *plane, 1781 uint32_t format, uint64_t modifier) 1782 { 1783 struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane); 1784 bool has_no_ubwc = (dpu_kms->mdss->ubwc_enc_version == 0) && 1785 (dpu_kms->mdss->ubwc_dec_version == 0); 1786 1787 if (modifier == DRM_FORMAT_MOD_LINEAR) 1788 return true; 1789 1790 if (modifier == DRM_FORMAT_MOD_QCOM_COMPRESSED && !has_no_ubwc) 1791 return dpu_find_format(format, qcom_compressed_supported_formats, 1792 ARRAY_SIZE(qcom_compressed_supported_formats)); 1793 1794 return false; 1795 } 1796 1797 static const struct drm_plane_funcs dpu_plane_funcs = { 1798 .update_plane = drm_atomic_helper_update_plane, 1799 .disable_plane = drm_atomic_helper_disable_plane, 1800 .reset = dpu_plane_reset, 1801 .atomic_duplicate_state = dpu_plane_duplicate_state, 1802 .atomic_destroy_state = dpu_plane_destroy_state, 1803 .atomic_print_state = dpu_plane_atomic_print_state, 1804 .format_mod_supported = dpu_plane_format_mod_supported, 1805 }; 1806 1807 static const struct drm_plane_helper_funcs dpu_plane_helper_funcs = { 1808 .prepare_fb = dpu_plane_prepare_fb, 1809 .cleanup_fb = dpu_plane_cleanup_fb, 1810 .atomic_check = dpu_plane_atomic_check, 1811 .atomic_update = dpu_plane_atomic_update, 1812 }; 1813 1814 static const struct drm_plane_helper_funcs dpu_plane_virtual_helper_funcs = { 1815 .prepare_fb = dpu_plane_prepare_fb, 1816 .cleanup_fb = dpu_plane_cleanup_fb, 1817 .atomic_check = dpu_plane_atomic_check, 1818 .atomic_update = dpu_plane_atomic_update, 1819 }; 1820 1821 /* initialize plane */ 1822 static struct drm_plane *dpu_plane_init_common(struct drm_device *dev, 1823 enum drm_plane_type type, 1824 unsigned long possible_crtcs, 1825 bool inline_rotation, 1826 const uint32_t *format_list, 1827 uint32_t num_formats, 1828 enum dpu_sspp pipe) 1829 { 1830 struct drm_plane *plane = NULL; 1831 struct dpu_plane *pdpu; 1832 struct msm_drm_private *priv = dev->dev_private; 1833 struct dpu_kms *kms = to_dpu_kms(priv->kms); 1834 uint32_t supported_rotations; 1835 int ret; 1836 1837 pdpu = drmm_universal_plane_alloc(dev, struct dpu_plane, base, 1838 0xff, &dpu_plane_funcs, 1839 format_list, num_formats, 1840 supported_format_modifiers, type, NULL); 1841 if (IS_ERR(pdpu)) 1842 return ERR_CAST(pdpu); 1843 1844 /* cache local stuff for later */ 1845 plane = &pdpu->base; 1846 pdpu->pipe = pipe; 1847 1848 pdpu->catalog = kms->catalog; 1849 1850 ret = drm_plane_create_zpos_property(plane, 0, 0, DPU_ZPOS_MAX); 1851 if (ret) 1852 DPU_ERROR("failed to install zpos property, rc = %d\n", ret); 1853 1854 drm_plane_create_alpha_property(plane); 1855 drm_plane_create_blend_mode_property(plane, 1856 BIT(DRM_MODE_BLEND_PIXEL_NONE) | 1857 BIT(DRM_MODE_BLEND_PREMULTI) | 1858 BIT(DRM_MODE_BLEND_COVERAGE)); 1859 1860 supported_rotations = DRM_MODE_REFLECT_MASK | DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180; 1861 1862 if (inline_rotation) 1863 supported_rotations |= DRM_MODE_ROTATE_MASK; 1864 1865 drm_plane_create_rotation_property(plane, 1866 DRM_MODE_ROTATE_0, supported_rotations); 1867 1868 drm_plane_enable_fb_damage_clips(plane); 1869 1870 DPU_DEBUG("%s created for pipe:%u id:%u\n", plane->name, 1871 pipe, plane->base.id); 1872 return plane; 1873 } 1874 1875 /** 1876 * dpu_plane_init - create new dpu plane for the given pipe 1877 * @dev: Pointer to DRM device 1878 * @pipe: dpu hardware pipe identifier 1879 * @type: Plane type - PRIMARY/OVERLAY/CURSOR 1880 * @possible_crtcs: bitmask of crtc that can be attached to the given pipe 1881 * 1882 * Initialize the plane. 1883 */ 1884 struct drm_plane *dpu_plane_init(struct drm_device *dev, 1885 uint32_t pipe, enum drm_plane_type type, 1886 unsigned long possible_crtcs) 1887 { 1888 struct drm_plane *plane = NULL; 1889 struct msm_drm_private *priv = dev->dev_private; 1890 struct dpu_kms *kms = to_dpu_kms(priv->kms); 1891 struct dpu_hw_sspp *pipe_hw; 1892 1893 /* initialize underlying h/w driver */ 1894 pipe_hw = dpu_rm_get_sspp(&kms->rm, pipe); 1895 if (!pipe_hw || !pipe_hw->cap || !pipe_hw->cap->sblk) { 1896 DPU_ERROR("[%u]SSPP is invalid\n", pipe); 1897 return ERR_PTR(-EINVAL); 1898 } 1899 1900 1901 plane = dpu_plane_init_common(dev, type, possible_crtcs, 1902 pipe_hw->cap->features & BIT(DPU_SSPP_INLINE_ROTATION), 1903 pipe_hw->cap->sblk->format_list, 1904 pipe_hw->cap->sblk->num_formats, 1905 pipe); 1906 if (IS_ERR(plane)) 1907 return plane; 1908 1909 drm_plane_helper_add(plane, &dpu_plane_helper_funcs); 1910 1911 DPU_DEBUG("%s created for pipe:%u id:%u\n", plane->name, 1912 pipe, plane->base.id); 1913 1914 return plane; 1915 } 1916 1917 /** 1918 * dpu_plane_init_virtual - create new virtualized DPU plane 1919 * @dev: Pointer to DRM device 1920 * @type: Plane type - PRIMARY/OVERLAY/CURSOR 1921 * @possible_crtcs: bitmask of crtc that can be attached to the given pipe 1922 * 1923 * Initialize the virtual plane with no backing SSPP / pipe. 1924 */ 1925 struct drm_plane *dpu_plane_init_virtual(struct drm_device *dev, 1926 enum drm_plane_type type, 1927 unsigned long possible_crtcs) 1928 { 1929 struct drm_plane *plane = NULL; 1930 struct msm_drm_private *priv = dev->dev_private; 1931 struct dpu_kms *kms = to_dpu_kms(priv->kms); 1932 bool has_inline_rotation = false; 1933 const u32 *format_list = NULL; 1934 u32 num_formats = 0; 1935 int i; 1936 1937 /* Determine the largest configuration that we can implement */ 1938 for (i = 0; i < kms->catalog->sspp_count; i++) { 1939 const struct dpu_sspp_cfg *cfg = &kms->catalog->sspp[i]; 1940 1941 if (test_bit(DPU_SSPP_INLINE_ROTATION, &cfg->features)) 1942 has_inline_rotation = true; 1943 1944 if (!format_list || 1945 cfg->sblk->csc_blk.len) { 1946 format_list = cfg->sblk->format_list; 1947 num_formats = cfg->sblk->num_formats; 1948 } 1949 } 1950 1951 plane = dpu_plane_init_common(dev, type, possible_crtcs, 1952 has_inline_rotation, 1953 format_list, 1954 num_formats, 1955 SSPP_NONE); 1956 if (IS_ERR(plane)) 1957 return plane; 1958 1959 drm_plane_helper_add(plane, &dpu_plane_virtual_helper_funcs); 1960 1961 DPU_DEBUG("%s created virtual id:%u\n", plane->name, plane->base.id); 1962 1963 return plane; 1964 } 1965